Mend > General D.I.Y

Mend Radson Drayton TRV 4 Radiators Central Heating Bleeding

Water in radiators? ?

How much water, if any, should be in radiators (gch if important)? Does water stop rads working, or do they work on water? Should it ALL be bled out?
RADSON. (Drayton TRV 4 on tap)

Mike
January 2011

Radson Radson Drayton TRV 4 D.I.Y, General D.I.Y Radiators Central Heating Bleeding

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brian
January 2011

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Peccavi
January 2011

I've seen some thicko questions on this site, but yours takes the top prize for numpties. Didn't you learn anything at school? have you no common sense at all. How did you think that a gas boiler would heat the radiators, remote control. Are you the only person that can boil a kettle and make a cup of tea without water, some mothers do have them. Peccavi has answered your query, but i don't think you have enough inteligence to comprehend the answer.

Pheasant Plucker.
January 2011

The boiler heats the water and the heated water is pumped around the system into the radiators.

Radiators are more efficient when they are full of water. The heated water transfers the heat to the radiators and into the house.

They have bleed valves so that air may be allowed to escape - you open the bleed valve and listen to the hissing air - when water comes out you close the bleed valve - best to have a small cloth handy to wipe up any escaped water.

They have an inlet valve on one side (your TRVs) and a lock-shield valve on the other side. Balancing radiators is the action of progressively closing - or opening - the lock-shield valves to make the heat loss similar in all radiators - if not done then the first few rads on the system can sometimes "steal" all the heat leaving the rads at the back end of the flow too cold.

Peccavi
January 2011